Home / 10,343.53-14,274.11-5,627.81

Finding the Fourth Proportional to 10,343.53, 14,274.11 and 5,627.81

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Solution

The fourth proportional to 10,343.53, 14,274.11 and 5,627.81 is: 7,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.53 : 14,274.11 = 5,627.81 : x
  2. Step 2: Convert to fraction form
    10,343.53/14,274.11 = 5,627.81/x
  3. Step 3: Cross multiply
    10,343.53x = 14,274.11 × 5,627.81
  4. Step 4: Simplify right side
    10,343.53x = 80,331,979.00
  5. Step 5: Solve for x
    x = 80,331,979.00/10,343.53
  6. Step 6: Final answer
    x = 7,766.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.